.NET Maui App Crashes on Android Emulator After Upgrading to .NET 8

Question

.NET Maui App Crashes on Android Emulator After Upgrading to .NET 8

Matt Lovell 20

After upgrading my project to .NET 8 Maui, authentication type code examples (MSAL or Auth0) cause my app (running on Android 34) to crash the emulator but with no specific error message.

Other than:

Failed to clear debug property on device

Unable to terminate Android app in debugger cleanup

The issue does not occur on .NET 7 or Android 33 Emulator.

I don't know if the there is a bug with Maui, .Net 8, or Android 34, was wondering if anyone else has seen anything like this?

Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 50,126 Reputation points Microsoft External Staff

2024-04-12T02:45:56.5733333+00:00

Thanks for your feedback.

Q&A is not a bug reporting or tracking system. If you think you've found a bug in Maui please report it in the Maui github repository at https://github.com/dotnet/maui . We will clear details to be able to reproduce and troubleshoot the problem. When you post it, please include version numbers, exact repro steps, and the difference between the expected behaviour and actual behaviour.

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Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 50,126 Reputation points Microsoft External Staff

2024-04-12T02:45:56.5733333+00:00

Thanks for your feedback.

Q&A is not a bug reporting or tracking system. If you think you've found a bug in Maui please report it in the Maui github repository at https://github.com/dotnet/maui . We will clear details to be able to reproduce and troubleshoot the problem. When you post it, please include version numbers, exact repro steps, and the difference between the expected behaviour and actual behaviour.

Answer 1

Having exact the same issue. Creating a new maui app with core 8 - just standard template. Starting a emulator Pixel 7 pro API 34. Emulator comes up, app is compiled, pushed and started on the emulator. For a twinkel of an eye a messagebox on the emulator comes up "Waiting for ..." then everything freezes. Even after waiting for minutes. Changing to net 7 had no effect.

After serveral tests I figured out the issue is API 34! Using API 33 works with every tested hardware template of device manager also with net 7 and 8.

Couldn't find out what the message box means, but I think this might have to do with debugger that can not connect to the emulator vm.

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.NET Maui App Crashes on Android Emulator After Upgrading to .NET 8

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